I mean, if you disagree with a potential employer's" values", it's career suicide to write a widely distributed Op-Ed about it unless that value is something like "Don't club baby seals" and you have hard proof that said employer is actively clubbing baby seals. Calling them evil over what is essentially a contract dispute (even if it's a perfectly valid contract dispute) would make me think twice before negotiating a contract with him. If he's writing an Op-Ed about them, what's to prevent him from writing an Op-Ed about me if he doesn't like my terms?